1/15/2009 @ 4:00PM

In Depth: Eight Increasingly Affordable Home Remodels

Cement

Cement has grown in popularity as a green building material because of its durability. This is particularly the case with fly-ash cement, which is made from post-factory coal use. The price of coal, as it happens, is down 50% since the summer, which reduces fly ash prices. Exterior projects, like walkway repaving or garage-floor finishing, are also made cheaper by the reduction in cement prices.